﻿<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
</head>
<body>
<table border="1" style="border-collapse: collapse;">
<style>
td{width: 30px; height:30px; text-align:center;
}</style>
<tr>
<td colspan=12> 1</td>
<td rowspan=12>2</td>

</tr>
<tr>
<td rowspan=12>4</td>
<td colspan=10>5</td>
<td rowspan=10>6</td>
</tr>
<tr>
<td rowspan=10>8</td>
<td colspan=8>9</td>
<td rowspan=8>10</td>
</tr>
<tr>
<td rowspan=8>12</td>
<td colspan=6>13</td>
<td rowspan=6>14</td>
</tr>
<tr>
<td rowspan=6>16</td>
<td colspan=4>17</td>
<td rowspan=4>18</td>
</tr>
<tr>
<td rowspan=5>20</td>
<td colspan=2>21</td>
<td rowspan=2>22</td>
</tr>
<tr>
<td rowspan=2>24</td>
<td >25</td>
</tr>
<tr>
<td colspan=2>23</td>
</tr>
<tr>
<td colspan=4>19</td>

</tr>
<tr>
<td colspan=6>15</td>
</tr> 
<tr>
<td colspan=8>11</td>
</tr>
<tr>
<td colspan=10>7</td>
</tr>
<tr>
<td colspan=12>3</td>
</tr>

</body>
</html>